Merge branch 'release/1.3.33'
When using the default region or 'us' it was not working because the upper case S
Merge pull request #10 from cesarreyesa/master

Fix to enable s3 work with 'us' region
Merge branches 'master' and 'master' of github.com:benorama/grails-aws-sdk
Merge remote-tracking branch 'origin/master' into develop
Client endpoint automatically managed by regions
Version bumped to 1.4.1 + README/Doc update
Unit test updated to check endpoints
Merge branch 'release/1.4.1'
Plugin version bumped to 1.4.1